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title, impact, impactDescription, tags
| title | impact | impactDescription | tags |
|---|---|---|---|
| Use .get() and .set() for Reanimated Shared Values (not .value) | LOW | required for React Compiler compatibility | reanimated, react-compiler, shared-values |
Use .get() and .set() for Shared Values with React Compiler
With React Compiler enabled, use .get() and .set() instead of reading or
writing .value directly on Reanimated shared values. The compiler can't track
property access—explicit methods ensure correct behavior.
Incorrect (breaks with React Compiler):
import { useSharedValue } from 'react-native-reanimated';
function Counter() {
const count = useSharedValue(0);
const increment = () => {
count.value = count.value + 1; // opts out of react compiler
};
return <Button onPress={increment} title={`Count: ${count.value}`} />;
}
Correct (React Compiler compatible):
import { useSharedValue } from 'react-native-reanimated';
function Counter() {
const count = useSharedValue(0);
const increment = () => {
count.set(count.get() + 1);
};
return <Button onPress={increment} title={`Count: ${count.get()}`} />;
}
See the Reanimated docs for more.